Vector and tensor analyzing powers $(iT\sb{11},\ T\sb{20},\ T\sb{21},$ and $T\sb{22}$) for $\rm\sp6\vec{Li}$ + $\sp{12}$C elastic and inelastic scattering are presented for a $\rm\sp6\vec{Li}$ bombarding energy of 30 MeV over the center of mass angular range 15$\sp\circ$-138$\sp\circ.$ High quality data over the large angular range provided a rigorous test for the nuclear scattering models. / Optical model calculations of the elastic scattering included central, spin-orbit, tensor, and angular momentum dependent potential terms. These calculations showed that the vector and tensor analyzing powers are sensitive to the presence of a spin-orbit potential term and the need for a tensor potential term to describe $T\sb{21}.$ / Previously measured cross sections along with the present analyzing power measurements were analyzed with a coupled channels method. The double folding model was employed for the real part of the nuclear scattering potential. Five channels were involved in the calculations which were the elastic, $\rm\sp{12}C(2\sp+,\ 4.44\ MeV),\ \sp{12}C(3\sp-,\ 9.64\ MeV),\ \sp6Li(3\sp+,\ 2.18\ MeV),$ and $\rm\sp6Li(2\sp+,$ 4.31 MeV) states. Projectile excitation was investigated by the inclusion of the $\rm\sp6Li\ 3\sp+$ and $2\sp+$ states and was found to be a contributing factor to the tensor analyzing powers. The present work is the first polarization measurements made where there exists previously measured projectile excitation cross sections. These cross sections provide a measure of the coupling strength needed for these states in the coupled channels analysis. Also the spin-orbit potential was found to provide the dominant contribution to the inelastic $iT\sb{11}.$ / Source: Dissertation Abstracts International, Volume: 55-04, Section: B, page: 1490. / Major Professor: Kirby W. Kemper. / Thesis (Ph.D.)--The Florida State University, 1994.
| Identifer | oai:union.ndltd.org:fsu.edu/oai:fsu.digital.flvc.org:fsu_77170 |
| Contributors | Reber, Edward Lawrence., Florida State University |
| Source Sets | Florida State University |
| Language | English |
| Detected Language | English |
| Type | Text |
| Format | 150 p. |
| Rights | On campus use only. |
| Relation | Dissertation Abstracts International |
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